門板模流分析報告

1原始的產(chǎn)品尺寸及特征(Partdimension&wallthickness)產(chǎn)品主體壁厚2.5mmThethicknessisuniformonthemainpartsurface:2.5mm.2Preprocessandmeshstatistics

網(wǎng)格統(tǒng)計Meshstatistics產(chǎn)品1出1Onemoldwithonecavity.產(chǎn)品網(wǎng)格為中性面3MaterialDataGeneral:RecommendedProcessing:Rheology:下圖為API-1609FA材料的屬性。PVTproperties:產(chǎn)品材料信息4RunnersystemlayoutHotrunnersystemlayoutOnemoldwithonecavity.熱流道系統(tǒng)進(jìn)膠示意ABCDEF?16?16Outer:?16Inner:?6?5.910×85×1.2BCADEF5Moldsurfacetemperature20℃Melttemperature220℃Filltime5sPressureVelocity/switchover(%volume)99%Maximuminjectionpressure109.9MpaMaximumClampforce1461.9tonTotalprojectedarea3662.5cm^2Maxflowfronttemperature226.4℃Minflowfronttemperature267.1℃Packingtime10sPackingpressure50Mpa、35Mpa

ProcessSetting參數(shù)設(shè)置OpeningSequence/開放順序6NozzleNo.噴嘴序號Open/CloseTime/%Volumefilled開放/關(guān)閉時間/體積百分?jǐn)?shù)NozzleNo.噴嘴序號Open/CloseTime/%Volumefilled開放/關(guān)閉時間/體積百分?jǐn)?shù)Open開放(S/%)Close關(guān)閉(S)Open開放(S/%)Close關(guān)閉(S)G10結(jié)束G21.97s/30%結(jié)束G32.97s/54%結(jié)束G4/G53.64s/71.54%結(jié)束G64.47s/92%結(jié)束G1G2G4G3G5G67SimulationresultslistFilltimeFilltime(contour)WeldLinesLocationAirTraps

LocationPressureatV/PswitchoverPressureattheendoffillFlowFrontTempShearRatePressureatinjectionlocationClampForceVolumetricshrinkageatejectionConclusionsandsuggestions8FilltimeFilltime按住Shift+F5播放動畫Playanimation:Shift+F5產(chǎn)品填充時間為5.002s,填充較平衡。Filltimeis5.002s,andit’sbalanced.9FilltimeFilltime(contour)無滯留痕和短射現(xiàn)象There’snohesitationmarkandshortshotphenomenoninfillingphase.10WeldLinesWeldLinesLocation產(chǎn)品表面主要熔接線入紅圈所示。11AirTraps

AirTraps

Location

COMMENT:Theareashighlightedinpinkaretheplaceswhereairtrapsmaybehappen.Whendesigningamold,theseareasshouldbepaidmoreattentionaspossible.Anairtrapwillcauseaburnmarkiftheairisunderenoughpressure,causingtheairtoigniteandburntheplastics.Ifanairtrapisnotvented,anditisnotcompressedfastenoughtocauseaburnmark,itmaycauseashortshot,orleavebubblesofairorgasinthepart.Evenifanairtrapdoesnotcauseaburnmarkorshortshot,itcanstillleaveasurfaceblemishonthepart.氣穴產(chǎn)生處，應(yīng)當(dāng)開排氣，否則輕則出現(xiàn)短射，重則會燒焦產(chǎn)品Weshouldmakegasventingwhereairtrapslocate,otherwiseitwillappearshortshotphenomenonorevenburnproduct.12Pressure

at

V/P

switchoverTheV/Pswitchovertimeisat4.81s,whenthepartvolumeisfilledat99%TheV/Ppressureis78.42MPa.Itissuitableformolding.Pressuredistribution13PressureattheendoffillPressureattheendoffillCOMMENT:Thedifferencebetweenmax.andmin.valueinthepressdistributiononthepartisabout50.76Mpa.如圖所示，填充末端壓力分布均勻Aspictureshown,thedistributionofthepressureatendoffillisuniform.14FlowFrontTempFlowFrontTemppicture由圖可知，產(chǎn)品表面溫度在16℃以內(nèi)，分布均勻,表面質(zhì)量好。

Aspictureshown,thedistinctionofflowfronttemperatureonthemainsurfaceisbetween16℃，it’sgoldforsurfacequality.15ShearRateShearRateCOMMENT:Theshearrateisuniformonthepart,Itdoesn’texceedmaxvalueonthegatelocation.thelimitvalueis1000001/s.由圖可知，剪切速率在材料允許范圍內(nèi)。Aspictureshown,shearratevalueisundermateriallimitvalue16SystemPressure

SystemInjectionPressureXYPlot(TakenatmachineNozzle)最大注射壓力：109.9MPaMax.injectionpressure:109.9MPa17ClampForceClampForceXYPlot最大鎖模力：1461.9Ton，鎖模力大小受型腔內(nèi)壓力影響較大。18VolumetricshrinkageatejectionVolumetricshrinkageatejection體積收縮率出現(xiàn)負(fù)值，產(chǎn)品過保壓。體積收縮率較大，可通過加強(qiáng)冷卻或加強(qiáng)保壓解決。191.填充平衡，無短射滯留現(xiàn)象；Thefillingpatternisbalancedandnohesitationmarkandshortshotphenomenon;2.壓力理想，有利于填充；Theinjectionpressureisreasonable,andisgoodformolding;3.困氣主要分布在筋位、卡扣、分型面，填充末端等位置，可由模具結(jié)構(gòu)間隙排氣；Airtrapsmainlylocatetheposition